H05H 1/3405
Arrangements for stabilising or constricting the arc
Official title: {Arrangements for stabilising or constricting the arc, e.g. by an additional gas flow}
H05H1/3405 (Arrangements for stabilising or constricting the arc) appears on 135 US grants and 94 published applications in this corpus.
Search patents in H05H- Granted patents
- 135
- Published applications
- 94
- Assignees
- 65
- Inventors
- 256
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 7 |
| 2013 | 3 | 1 |
| 2014 | 5 | 5 |
| 2015 | 4 | 11 |
| 2016 | 6 | 6 |
| 2017 | 11 | 17 |
| 2018 | 6 | 4 |
| 2019 | 7 | 5 |
| 2020 | 11 | 7 |
| 2021 | 1 | 5 |
| 2022 | 3 | 5 |
| 2023 | 3 | 3 |
| 2024 | 0 | 3 |
| 2025 | 3 | 3 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plasma arc torch with focus hole alignment28 Jul 2026US 12,696,370 B2Linde Aktiengesellschaft
- Methods for operating a plasma torch17 Feb 2026US 12,557,203 B2The ESAB Group, Inc.
- Nozzle and substrate treating apparatus including the same17 Feb 2026US 12,557,204 B2Semes Co., Ltd.
- Methods for operating a plasma torch17 Feb 2026US 12,557,205 B2The ESAB Group, Inc.
- Controlling and delivering gases in a plasma arc torch and related systems and methods10 Jun 2025US 12,325,082 B2Hypertherm, Inc.
- Primed pneumatic control of process gas regulator6 Aug 2026US 2026/0227809 A1The ESAB Group, Inc.
- Methods for operating a plasma torch25 Jun 2026US 2026/0181764 A1The ESAB Group, Inc.
- Methods for operating a plasma torch11 Jun 2026US 2026/0164529 A1The ESAB Group, Inc.
- Multichannel plasma generation system and method11 Dec 2025US 2025/0380349 A1Fuse Energy Technologies Corp.
- Systems and methods for high-speed plasma arc processing4 Sep 2025US 2025/0276400 A1Hypertherm, Inc.
Most cited
By later US patents
- Plasma jet torch having gas vortex in its nozzle for arc constriction132US 4,570,048 APlasma Materials, Inc. · 1986
- Plasma jet torch having converging anode and gas vortex in its nozzle for arc constriction110US 4,656,330 APlasma Materials, Inc. · 1987
- Plasma gun with adjustable cathode88US 4,780,591 AThe Perkin-Elmer Corporation · 1988
- Plasma torch75US 4,967,055 ATweco Products, Inc. · 1990
- Generating discrete gas jets in plasma arc torch applications74US 7,598,473 B2Hypertherm, Inc. · 2009